Siemens POL955 - Alarm handling (Alarm outputs)

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Siemens Standard application AHU CE1P3977en_02
Building Technologies Functions 01.02.2010
5.14 Alarm handling (Alarm outputs)
Main Index > Configuration > Configuration 1
Parameter Range Function
Alarm outputs – None
– One
– Two
Number of alarm outputs.
Displays communication module states and parameterization of alarm outputs. Is
determines the alarm to be displayed (high A and/or low B) for a single alarm out-
put. For two outputs, output 1 always displays the high (A) alarms and output 2 the
low (B) alarms.
Main Index > Alarm handling
Parameter Range Function
Alarm acknowledge – Off
– On
Acknowledge button (for pending alarms) or reset
button (for alarms that are no longer pending).
Danger (A) – Normal
– Alarm
Displays alarm class danger (The plant is shut down
without delay, except for the special case for fire mode).
Critical (A) – Normal
– Alarm
Displays alarm class critical (the plant is shut down
normally).
Low (B) – Normal
– Alarm
Displays alarm class low (plant continues to oper-
ate).
Warning (C)
– Normal
– Alarm
Displays warnings (plant continues to operate). Is
not displayed on digital outputs; see below.
– No warning.
– Warning pending.
Alarm outp 1 select
– High (A)
– H+L (A+B)
Function of alarm output 1 for a single output:
– Signals only alarms for group a (Danger and
Critical).
– Signals only alarms for groups A and B (Danger,
Critical and Low).
Alarm output 1 – Normal
– Alarm
Present state of alarm output 1. Go to page with
digital output settings.
Alarm output 2 – Normal
– Alarm
Present state of alarm output 2. Go to page with
digital output settings.
Modbus communicat 0...1 Displays Modbus communication state.
Comm module 0
Comm failure
State
– Passive
– Active
Displays communication state of the module on po-
sition 0 (only available when module is plugged in).
Go to Comm module overview page.
– No error.
– Pending error on module 0.
Cause of error.
Comm module 1
Comm failure
State
– Passive
– Active
Displays communication state of the module on po-
sition 1 (only available when module is plugged in).
Go to Comm module overview page.
– No error.
– Pending error on module 1.
Cause of error.
Comm module 2
Comm failure
– Passive
Displays communication state of the module on po-
sition 2 (only available when module is plugged in).
Go to Comm module overview page.
– No error.
Enable
Function
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 93